Analysis

  • max time kernel
    103s
  • max time network
    104s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    01/07/2025, 07:09

General

  • Target

    ff4e41f6c49d8c7b0d5799202011d5fb5cbdbec0829d33a05cc448a1ce3dbb43.exe

  • Size

    1.8MB

  • MD5

    2d66e5237420fd6dc1ba6ed376e920dd

  • SHA1

    357aaf631ae91cec5e7aff392ce65d520f24b61d

  • SHA256

    ff4e41f6c49d8c7b0d5799202011d5fb5cbdbec0829d33a05cc448a1ce3dbb43

  • SHA512

    af01a5eb32b730b6e9644e3d34460704ddadd2a375e18ac858d5134c0e58eb4044f7ef0dac45f5545074978f6e7ae96e49ae2339287fc8047f07d5c6eb3d46d2

  • SSDEEP

    49152:xrCOYegFDslQqP4Tl73yRNQxcn4/ZNy0BXa:x2XeglyVP4TFce5

Malware Config

Extracted

Family

lumma

C2

https://rbmlh.xyz/lakd

https://pacwpw.xyz/qwpr

https://comkxjs.xyz/taox

https://unurew.xyz/anhd

https://trsuv.xyz/gait

https://sqgzl.xyz/taoa

https://cexpxg.xyz/airq

https://urarfx.xyz/twox

https://liaxn.xyz/nbzh

Attributes
  • build_id

    ecab7038fbdc10a17655f06eee262e6e0e4db94f42

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff4e41f6c49d8c7b0d5799202011d5fb5cbdbec0829d33a05cc448a1ce3dbb43.exe
    "C:\Users\Admin\AppData\Local\Temp\ff4e41f6c49d8c7b0d5799202011d5fb5cbdbec0829d33a05cc448a1ce3dbb43.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:2492

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2492-0-0x0000000000AA0000-0x0000000000F3C000-memory.dmp

          Filesize

          4.6MB

        • memory/2492-1-0x0000000005370000-0x0000000005371000-memory.dmp

          Filesize

          4KB

        • memory/2492-4-0x00000000053C0000-0x00000000053C1000-memory.dmp

          Filesize

          4KB

        • memory/2492-6-0x0000000005380000-0x0000000005381000-memory.dmp

          Filesize

          4KB

        • memory/2492-5-0x0000000005390000-0x0000000005391000-memory.dmp

          Filesize

          4KB

        • memory/2492-7-0x0000000000AA0000-0x0000000000F3C000-memory.dmp

          Filesize

          4.6MB